| 3D Monster Maze | Review of the game published by Melbourne House. | Timex/Sinclair 1000 |
| 4K/8K ROM Switch | Review of the ROM switch kit from Marex Electronics. | Sinclair ZX80 |
| 64K RAM Available Mid-March | | Sinclair ZX81 |
| Another $100 Misunderstanding | Tips for constructing the ZX81 kit. | Sinclair ZX81 |
| Authorized Sinclair Repair Services | MicroSync will take over Sinclair’s repair work for ZX80s and ZX81s. | |
| Curing 16K RAM Random Dumping | Suggestions for eliminating RAM pack wobble. | Sinclair ZX81 |
| Dear Editor | How to make a program unlistable; program for linear regression; painting heatsinks; FORTH; problems with 8K ROM/keyboard upgrade for ZX80; MicroAce flicker-free kit; large keyboard; edge connector cleaner. | MicroAce, Sinclair ZX80, Sinclair ZX81 |
| Dear Editor | Question about noise during save; keyboard replacement; COBOL for ZX/TS; saving; internal RAM; overheating; loose connector problems. | |
| Defensive Awari | Improvements to author’s program. | Sinclair ZX81, Type-in program |
| Editing Hints for Print Lines | Technique for creating many lines with PRINT statements. | Timex/Sinclair 1000, Type-in program |
| Educational Software Vendor | Edson Electronics offers educational programs for ZX80/81. | Sinclair ZX80, Sinclair ZX81 |
| EPROMS: What they are, what they do | Description of the chips. | |
| Experiments in Artificial Intelligence | Review of the book by John Krutch. | Timex/Sinclair 1000 |
| Flashing Prompts Subroutine | | Sinclair ZX81, Type-in program |
| Gladstone Electronics Announces New Products | ZXFORTH, Fast Load program, Speech Pack. | Timex/Sinclair 1000 |
| Hardware Hints | Techniques for preventing overheating, memory loss. | Sinclair ZX81 |
| Hardware Review: Buffered Buss/Development Board "Expansion Board" | Computer Continuum’s buffered expansion board kit is a buffered backplane, providing four 44-pin edge card connectors with the same pinout as Sinclair’s except the slot. | Timex/Sinclair 1000 |
| Home Energy Analysis | Takes into account the effectiveness of both heating and cooling systems and other factors affecting energy usage in your home. | Timex/Sinclair 1000, Type-in program |
| Ian Logan Wins First Annual Rosetta Stone | | |
| Income Tax | Program to help prepare a tax return. | Timex/Sinclair 1000, Type-in program |
| M-16 Memory Module | Review of the RAM pack. | Timex/Sinclair 1000 |
| Machine Language Programming Made Simple for Your Sinclair ZX80 and ZX81 | | Sinclair ZX80, Sinclair ZX81 |
| MC Programming #12: Calling and Returning | Tutorial on machine language programming. | Timex/Sinclair 1000 |
| Merry Christmas | Display a Christmas message. | Timex/Sinclair 1000, Type-in program |
| New Products and Services (Syntax v3 n12) | New products from Matthew Zenkar, G. Russell Electronics, MicroSync Services, Stephen Adams, E. Alvarez, Norris Electronics, Gladstone, Kopak, M.C. Hoffman, Stuart Software, Dale Lipinksi, TSG Enterprises, QZX Newsletter, Intercomputer, Lamo-Lem, JACYN Electronics. | |
| Numbers Held Inexactly on the ZX81 | First in a series of articles on numerical errors in the 8K ROM. | Sinclair ZX81 |
| Poke: Small Change for Machine Language Pokers | Short “monitor” program. | Timex/Sinclair 1000, Type-in program |
| Printer with Mini-Interface | CAI has introduced a stand-alone printer with a mini-interface for the ZX/TS computer. It works only with 16K and is $139.95. | Timex/Sinclair 1000 |
| Program Improvements | Corrections to 8K Digital Clock, Hexadecimal Math and 4K Blackjack. | Sinclair ZX80, Sinclair ZX81, Type-in program |
| Program Improvements/Refinements | Comment on Math Execution Time. | Timex/Sinclair 1000, Type-in program |
| Superposition | Program models superposition by graphing two sinusoids, waves of constant wavelength and amplitude, and their combination. | Timex/Sinclair 1000, Type-in program |
| Syntax Error | Correction to 4K Phone Number Word Generator. | Sinclair ZX80, Type-in program |
| Syntax Errors | Corrections to Monthly Calendar Program, Black Box, and Hex Math. | Timex/Sinclair 1000, Type-in program |
| Syntax Quarterly Debuts | Syntax Quarterly debuted at the Northeast Computer Show, Boston, in Nov. SQ offers in-depth hardware and application stories, reviews and programming techniques. Several other distributors and manufacturers of Timex Sinclair computer products exhibited. | |
| Taming Output | Techniques for formatting numeric output. | Timex/Sinclair 1000, Type-in program |
| Technical Details for ZX Printing | Discusses how the ZX printer works. | |
| The Flags Register | Part 3 of series on machine code programming. | Sinclair ZX81, Timex/Sinclair 2068 |
| Timex to Market SR Products in North America | Sinclair just announced a license with Timex to manufacture and retail Sinclair computers, peripherals and software via Timex outlets in N. America. | |
| Translating Programs: On ... Go To | Techniques for translating programs from other BASICs. | Sinclair ZX81 |
| Users' Groups | | |
| Video Artist | | Timex/Sinclair 1000, Type-in program |
| Video-Plan, Computacalc | Review of two spreadsheet programs. | Timex/Sinclair 1000 |
| ZX81 Calculator | Use the Sinclair’s expression evaluator to make a calculator. | Sinclair ZX81, Timex/Sinclair 1000, Type-in program |
